Heat sink for a fan motor control



FIG. 1 is a perspective view of a heat sink for a fan motor control showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being substantially identical;

FIG. 4 is a bottom view thereof. 

The ornamental design for a heat sink for a fan motor control, substantially as shown and described. 